<template>
  <div class="report-container">
    <!-- 面包屑导航 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item></el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片区域 -->
    <el-card>
      <div id="main" style="width:600px;height:400px;"></div>
    </el-card>
  </div>
</template>

<script>
import * as echarts from 'echarts'
import _ from 'lodash'
export default {
  data(){
    return{
options: {
        title: {
          text: '用户来源'
        },
        tooltip: {
          trigger: 'axis',
          axisPointer: {
            type: 'cross',
            label: {
              backgroundColor: '#E9EEF3'
            }
          }
        },
        grid: {
          left: '3%',
          right: '4%',
          bottom: '3%',
          containLabel: true
        },
        xAxis: [
          {
            boundaryGap: false
          }
        ],
        yAxis: [
          {
            type: 'value'
          }
        ]
      }

    }
  },
  created(){

  },
  async mounted(){
// 基于准备好的dom，初始化echarts实例
var myChart = echarts.init(document.getElementById('main'))

const {data:res} = await this.$http.get('reports/type/1')
if(res.meta.status !== 200){
  return this.$message.error('获取折线图数据失败!')
}

const result = _.merge(res.data,this.options)
// 绘制图表
myChart.setOption(result)
  },
  methods:{

  }
}
</script>

<style lang="less" scoped></style>
